She traveled to a world that did not exist in history. She must live well in this prosperous world. In order to survive, she must hide her beautiful appearance...
He is the second prince of the most powerful country in the Four Kingdoms, and the new emperor is his biological eldest brother. On the surface, the Four Kingdoms have seen rare prosperity and stability, but in reality there are turbulences. The only creed he lives by is to protect his eldest brother's country at any cost...
On their wedding night, he pinched her slender chin and laughed softly, "I don't care which country you are a craftsman from. From now on, my palace will become your eternal prison!"...